TEKS/STAAR - d3jc3ahdjad7x7.cloudfront.net · Category 1/8.2D 3. Category 2/8.5A Page 1 1. If a set of data points has a trend line of y x 7.8 12 , ... TEKS/STAAR SPIRALED PRACTICE

TEKSING TOWARD STAAR © 2014

GRADE 8

TEKS/STAARSpiraled Practice 101-120

Six Weeks 6

®MATHEMATICS

TEKSING TOWARD STAAR

TEKS/STAAR SPIRALED PRACTICE 101Grade 8

TEKSING TOWARD STAAR © 2014 1. Category 3/8.7B 2. Category 1/8.2A 3. Category 2/8.4C Page 1

1. The net for a cylinder is shown below. Use a ruler on the Reference Materials to measure thedimensions of the cylinder to the nearest one-half centimeter.

Which of the following best represents the total surface of the cylinder to the nearest squarecentimeter?

A 18 square centimeters

B 30 square centimeters

C 14 square centimeters

D 38 square centimeters

2. Which list contains exactly two irrational numbers and 3 whole numbers?

F 3, , -3, 4, 10

G 2 5, , 0.3, 5, 6

H 7, 3, , 8, 22

J 4, , 8, 3, 12


TEKSING TOWARD STAAR © 2014 1. Category 3/8.7B 2. Category 1/8.2A 3. Category 2/8.4C Page 2

3. Which line graphed below has a negative slope and a negative y-intercept?

A Line g

B Line h

C Line r

D Line s

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y

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Line h

Line r

Line s


TEKSING TOWARD STAAR © 2014 1. Category 3/8.3B 2. Category 4/8.5D 3. Category 2/8.5G Page 1

1. Look at the triangles on the grid below. A B C is a dilation of ABC with the origin as the center of

dilation.

Jodie made a list of attributes he thinks is correct for the two triangles.

a. The side lengths of A B C are twice as long as the corresponding side lengths of ABC .

b. The corresponding angles of the triangles are congruent.

c. The triangles have the same orientation on the plane.

Which of Jodie’s statements are true?

A a only

B a and b only

C All of the above

D None of the above

x

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TEKSING TOWARD STAAR © 2014 1. Category 3/8.3B 2. Category 4/8.5D 3. Category 2/8.5G Page 2

2. Kelly is saving money to buy herself a new computer. Her goal is to add money to a savings accounteach month. The graph shows the amount of money she has in her account.

Using the trend line, what is a good prediction for the number of months it will take Kelly to have $400in her account?

F 12 H 13

G 11 J 10

3. Which set of coordinates describe a function?

A {(3, 5), ( 4, 7), (3, 2), ( 3, 5)}

B {(6, 1), (3, 0), (3, 10), ( 10, 7)}

C {(7, 1), (3, 1), (2, 1), (7, 8)}

D {(8, 3), ( 8, 4), (1, 0), (0, 2)}

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Saved

($)


TEKSING TOWARD STAAR © 2014 1. Category 2/8.4B 2. Category 3/8.3C 3. Category 2/8.5I Page 1

1. The graph below shows the relationship between the number of minutes and the number of mileswalked by two walkers.

Based on the information in the graph, which statement is true?

A The two walkers were walking at the same unit rate.

B Walker A is walking 3 miles per hour faster than walker B.

C Walker B is walking 2 miles per hour and walker A is walking 3 miles per hour.

D In 90 minutes, walker A will walk 2 miles farther than walker B.

2. A blueprint of a room is scaled so that 1.5 inches represents 2 feet. The blueprint is the preimage andthe room is the dilated image. The blue print is plotted on a grid. Which is the algebraic representationfrom the blueprint to the room?

F ( , ) (16 , 16 )x y x y H ( , ) (1.5 , 1.5 )x y x y

G ( , ) (2 , 2 )x y x y J ( , ) (9 , 9 )x y x y

3. Two angles are complementary. One of the angles has a measure of (40 )°x . Which equation best

represents the measure of the other angle, y?

A 90y x

B 180y x

C 90 (40 )y x

D (40 ) 90y x

20 40 60 80 100 120 140 160

8

7.5

7

6.5

6

5.5

5

4.5

4

3.5

3

2.5

2

1.5

1

0.5

Miles

x

y

Minutes

A

B


TEKSING TOWARD STAAR © 2014 1. Category 3/8.10C 2. Category 2/8.4C 3. Category 3/8.7C Page 1

1. What does the algebraic representation ( , ) ( , )x y y x represent?

A Each point of a figure will be reflected across the x-axis.

B Each point of a figure will reflected across the y-axis.

C Each point of a figure will be rotated 90° counterclockwise.

D Each point of a figure will be rotated 90° clockwise.

2. A line is graphed on the coordinate grid below.

What is the y-intercept and what is the slope of the line?

F The y-intercept is 4 and the slope is 9.

G The y-intercept is 3 and the slope is 4.

H The y-intercept is 4 and the slope is 3.

J The y-intercept is 4 and the slope is 4.

3. Two sides of a right triangle have lengths of 78 centimeters and 30 centimeters. The third side is notthe hypotenuse. How long is the third side?

A 84 cm

B 70 cm

C 72 cm

D Not Here

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TEKSING TOWARD STAAR © 2014 1. Category 4/8.5D 2. Category 1/8.2D 3. Category 2/8.5A Page 1

1. If a set of data points has a trend line of 7.8 12y x , what is the predicted value of y when 8?x

Record your answer on the grid below. Be sure to use the correct place value.

2. Which set of real numbers is ordered from least to greatest?

F { 1, 0, 2, 4, 15}

G { 4, , 2, 0, 2 }

H { 4, 0, 2, 5, 5}

J { 5, 3, 2, 2, 7 }

3. David’s heart beats 340 times in 5 minutes. At this rate, which equation represents the number oftimes his heart beats in m minutes ?

A68

mb

B 68b m

C 68b m

D68

bm

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TEKSING TOWARD STAAR © 2014 1. Category 3/8.7A 2. Category 4/8.11B 3. Category 3/8.10C Page 1

1. A container is composed of a cylinder and a hemisphere as shown below. The cylinder and hemispherehas a radius of 5 inches. The height of the cylinder is 10 inches.

What is the volume of the container?

A 31000 in.

B 3500 in.

C 31000in.

3

D Not Here

2. The data set below lists the number of friends six different eighth graders have on a social mediawebsite.

{65, 68, 71, 76, 81, 83}

Which data point is exactly one mean absolute deviation from the mean of the data?

F 65

G 68

H 76

J 81

3. If (8, 5) is transformed to ( 8, 5) , what transformation(s) could NOT have been used?

A translation 16 units left and 10 units up

B 180° rotation clockwise

C reflect across the x-axis and then reflect across the y-axis

D 90° rotation counterclockwise

10 in.

5 in.


TEKSING TOWARD STAAR © 2014 1. Category 2/8.8B 2. Category 3/8.7B 3. Category 2/8.5B Page 1

1. Which situation can be represented by 105 150 75x x ?

A Haven has a job at the local paper selling advertisements. She has two options for her pay:Option 1: $105 per advertisementOption 2: $150 plus $75 per advertisement

How many advertisements, x, does Haven have to sell for Option 1 to be the better pay for her?

B The value of 105% of a number is greater than the number increased by 75% of the number. Whatis the number, x?

C The area of a rectangle with width x and length 105 units is greater than the area of a rectanglewith width x and length 75 units decreased by 150 square units. What is the value of x?

D A number increased by 105 is the greater than 75 times the number increased by 150. What is thenumber?

2. A triangular prism is shown below.

Which best describes the lateral surface area of the prism?

F 123.2 in. 2

G 109.2 in. 2

H 30.8 in. 2

J 99.2 in. 2

8 in.

Height: 4 in.

10 in.

12.8 in.


TEKSING TOWARD STAAR © 2014 1. Category 2/8.8B 2. Category 3/8.7B 3. Category 2/8.5B Page 2

3. The graph on the grid below shows the number of pages Billy has read in his history book. He startedon page 20 and continued to read.

Which equation represents this situation?

F 20y x

G 4 20y x

H 8y x

J 20 8y x

y

5 10 15 20 25 30 35 40

64

60

56

52

48

44

40

36

32

28

24

20

16

12

8

40

0

Pages

x

Minutes


TEKSING TOWARD STAAR © 2014 1. Category 4/8.12D 2. Category 2/8.4B 3. Category 3/8.10A Page 1

1. Mira invests $2,000 in a savings account that pays 1.75% simple interest. Which expressionrepresents the value of her investment after 10 years?

A $2000(1.0175)(10)

B $2000 $2000(0.0175)(10)

C $2000 $2000(0.0175)

D $2000 $2000(0.175)(10)

2. The graph below shows the relationship between the number of shirts bought and the cost.

Based on the information in the graph, what is the unit cost in dollars per shirt?

F $9

G $12

H $10

J $14

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84

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66

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54

48

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36

30

24

18

12

6

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Number of Shirts1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Cost

$

x

y


TEKSING TOWARD STAAR © 2014 1. Category 4/8.12D 2. Category 2/8.4B 3. Category 3/8.10A Page 2

3. Four right triangles are shown on the grid below.

Which of the triangles above are translations of each other?

A triangle T and triangle R

B triangle T and triangle U

C triangle S and triangle U

D triangle R and triangle U

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y

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TEKSING TOWARD STAAR © 2014 1. Category 3/8.3C 2. Category 4/8.12G 3. Category 2/8.4C Page 1

1. A rectangle is shown on the grid below. The rectangle is dilated with the origin as the center of dilation.

Which grid shows a dilation of the rectangle with the representation ( , ) (0.75 , 0.75 )x y x y ?

x

y

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TEKSING TOWAR

2. Christy plans to attend Austin College in Sherman, Texas. She researched and estimated the followingexpenses for a year if she lives on-campus.

Christy has a $5,000 scholarship from the PTA where she attended elementary school. She plans onworking part-time during college. She estimates she can earn $400 a month for the 9 months she willbe there. Her parents are going to pay the expenses in 4 equal payments, about how much will eachpayment be after her scholarship and her earnings are applied to the cost?

F $41,945

G $10,586.25

H $12,636.25

J $11,286.25

3. The table shows the distance y Julie traveled in x minutes while competing in the cycling portion of atriathlon.

If the info

A 2

B 10

C 0.5

D 5

Tuition and Fees $33,830

Room and Board $11,715

Books $2,500

Other $2,500

TOTAL $50,545

D

Time (min) (x) 40 60 70 80

D STAAR © 2014 1. Category 3/8.3C 2. Category 4/8.12G 3. Category 2/8.4C Page 2

rmation in the table is graphed on a coordinate grid, what is the slope of the line?

istance( km) (y) 20 30 35 40


TEKSING TOWARD STAAR © 2014

1. The perimeters of two of the squares used to form a right triangle are shown in the sketch below.

What is the perimeter of the third square?

A 18

B 24

C 30

D Not Here

2. Mrs. Johnson has squirrel feeders in her back yard. The table shows the number of squirrels she sawcompared to the number of feeders.

Which equation best describfeeders?

F 2 1s f

G 2 2f s

H 2 2s f

J 2 2f s

3. Which of the following numbnotation?

A 109

B 32.3

C 4

D 0.032

P = 40

P = 32

P = ?

Number of Squirrels Number of Feeders

4 1

6 2

8 3

1. Category 3/8.7C 2. Category 2/8.5I 3. Category 1/8.2C Page 1

es the relationship of s, the number of squirrels and f, the number of

ers will have a negative exponent when it is expressed in scientific

10 4


TEKSING TOWARD STAAR © 2014 1. Category 2/8.4B 2. Category 3/8.7A 3. Category 4/8.11A Page 1

1. The graph below shows the relationship between the number of words typed and the number ofminutes typed by a business secretary.

Based on the information in the graph, what is the unit rate in words per minute?

A 100 words per minute

B 75 words per minute

C 60 words per minute

D 50 words per minute

2. A sphere has a diameter of 30 meters. What is the volume of the sphere?

F 2700 m 3

G 4500 m 3

H 1500 m 3

J Not Here

3. Mrs. Smith kept a record of the amount of her water bill (x) and the average rainfall per month (y)from April to October. What association would she expect to see in the data she collected?

A A positive association

B A negative association

C No association

D Not Here

3 6 9 12 15 18 21

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Number of minutes


TEKSING TOWARD STAAR © 2014 1. Category 1/8.2C 2. Category 2/8.8C 3. Category 3/8.3C Page 1

1. The Johnson family income is estimated to be $125,000 per year. Mary wanted to write this number

in scientific notation. If she wrote 1.25 10n , what value of n should she use?

A 5

B 4

C 4

D 5

2. If these two figures have the same perimeter, what is the perimeter of each figure?


3. Triangle ABC has coordinates A(1, 4), B(0, 9), and C( 4 , 3). Triangle ABC is dilated with the origin asthe center of dilation. The coordinates of C′ are ( 1 , 0.75). Which algebraic representation bestdescribes this dilation?

A ( , ) (0.5 , 0.5 )x y x y

B ( , ) (0.25 , 0.25 )x y x y

C ( , ) (4 , 4 )x y x y

D ( , ) (1.5 , 1.5 )x y x y

9x

12x 10x 1x

15x

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TEKSING TOWARD STAAR © 2014 1. Category 4/8.5C 2. Category 3/8.6C 3. Category 2/8.5G Page 1

1. Look at the two graphs below.

Which statement is true about the two graphs?

A Only Graph A is non-linear. C Both graph A and graph B are linear.

B Only Graph B is linear. D Graph A is linear and graph B is non-linear.

2. Three squares may be placed so that their sides form a right triangle. The squares below model thePythagorean Theorem.

If square 1 is the largest of three squares in the model, which statement is NOT true?

F The area of Square 2 can equal the area of Square 3.

G The difference between the areas of Square 1 and Square 3 is equal to the area of Square 2.

H The area of Square 2 can equal the area of Square 1.

J The area of Square 1 is equal to the sum of the areas of Square 2 and Square 3.

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Graph A Graph B

Square 2

Square 1

Square 3


TEKSING TOWARD STAAR © 2014 1. Category 4/8.5C 2. Category 3/8.6C 3. Category 2/8.5G Page 2

3. Which of the following is NOT a function?

x

y

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5

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B

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y

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y

-5 -4 -3 -2 -1 1 2 3 4 5

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TEKSING TOWARD STAAR © 2014 1. Category 2/8.5E 2. Category 4/8.12D 3. Category 3/8.7C Page 1

1. Two quantities, x and y, are in a relationship where y varies directly with x. The graph of this functioncontains (4, 5). Which ordered pair would also belong to this function?

A (8, 12)

B (10, 8)

C (16, 20)

D (1, 1.4)

2. Brandy deposited $1000 in an account that earns 5% simple annual interest. She also deposited$1000 in an account that earns 5% annual compounded annually. She leaves the money with nowithdrawals or deposits for 4 years. Which statement is true about the two investments after 4 years?

F The two investments will earn the same amount of interest.

G The investment that compounds annually will pay interest more times than the simple interestinvestment.

H The investment that compounds annually will pay about $15 more interest than the simple interestinvestment.

J The investment that compounds annually will pay about $75 more interest than the simple interestinvestment.

3. The Martins are thinking of making a brick walk across their oval rose garden from point B to point C,as shown in the figure below.

Which is closest to the distance from point B to point C?

A 27 feet

B 8 feet

C 12 feet

D 23 feet

28 ft

36 ft

B

C


TEKSING TOWARD STAAR © 2014 1. Category 2/8.5G 2. Category 3/8.10B 3. Category 4/8.12G Page 1

1. Which set of coordinates describes a function?

A {(2, 4), ( 2, 7), (2, 2), ( 3, 8)}

B {(6, 2), (1, 5), (1, 10), ( 1, 7)}

C {( 6, 4), ( 3, 3), ( 2, 2), (6, 8)}

D {(8, 4), ( 8, -4), (2, 8), (2, 2)}

2. What would be the size and orientation of the figure below after it is reflected across the y-axis?

F

G

H

J


TEKSING TOWARD STAAR ©

3. Beverly plans to attend a state university. She researched and estimated the following expenses for ayear if she lives on-campus.

How much should

A $22,300

B $44,600

C $66,900

D $89,200

Tuition and Fees $8,500

Room and Board $9,300

Books $1,500

Other $3,000

2014 1. Category 2/8.5G 2. Category 3/8.10B 3. Category 4/8.12G Page 2

Beverly expect the cost to be for 4 years at this university?

TOTAL


TEKSING TOWARD STAAR © 2014 1. Category 2/8.8A

1. Melissa works on commission at a dress shop in the mall. She earns a weekly base salary of $300 plusa commission of 12% on her sales. Her friend works at a different shop and earns a weekly basesalary of $150 plus a commission of 20% on her sales. Which equation can be used to determine theamount of sales the girls must make to earn the same weekly salary?

A 300 0.12 150 0.20s s

B 300 12 150 20s s

C 300 0.20 150 0.12s s

D Not Here

2. Joel earned $125 for mowing 5 yards. Steve earned $180 for mowing 6 yards. Billy’s rate for mowinga yard is more than Joel’s rate but less than Steve’s rate. Which of the following could be Billy’s ratefor mowing a yard?

F $20 per yard

G $27 per yard

H $30 per yard

J $40 per yard

3. The volume a cone is 216 cubic centimeters. The radius of the cone is 6 centimeters.

What is the height of the cone?

A 12 cm

B 5 cm

C 24 cm

D 18 cm

2. Category 2/8.4C 3. Category 3/8.7A Page 1

6 cm

V = 216 cm 3


TEKSING TOWARD STAAR © 2014 1. Category 4/8.12C 2. Category 1/8.2D 3. Category 3/8.7D Page 1

1. Elise is investing $10,000 in an account that earns 2.25% simple interest. How many years will it takeher to have a balance of $12,700 in her account, if she does not add to or withdraw from the account?

A 10 years

B 15 years

C 12 years

D 7 years

2. Which number is between2

53

and 34 ?

F 6.3

G 5.5

H 5.9

J 5.7

3. Which best describes the distance between two points with coordinates (3, 2) and ( 5, 4) ?

A 6.3 units

B 10 units

C 8 units

D 12 units


TEKSING TOWARD STAAR © 2014 1. Category 2/8.5H 2. Category 2/8.4A 3. Category 3/8.10D Page 1

1. The ratio of boys to girls in a math class at Truman Middle School is 3:2. There are 30 students in theclass. If b represents the number of boys in the class, which statement is true?

A This is a proportional relationship and3

2 30

b .

B This is a proportional relationship and3

5 30

b .

C This is a proportional relationship and2

5 30

b .

D This is a non-proportional relationship.

2. The coordinate grid shows similar right triangles ABC an AED.

Which statement is true based on the triangles above?

F The slope of AC

is1

2.

G The slope of AC

is1

2 .

H The slope of AC

is 2.

J The slope of AC

is 2 .

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TEKSING TOWARD STAAR © 2014 1. Category 2/8.5H 2. Category 2/8.4A 3. Category 3/8.10D Page 2

3. Rectangle ABCD is similar to rectangle EFGH.

If rectangle ABCD has an area of 56 square units, what is the area of rectangle EFGH?

A 28 square units

B 14 square units

C 2 square units

D Not Here

A

B C

DE

F G

H14

7


TEKSING TOWARD

1. What is the solution for 4 1 2 16x x ?


2. Part of a model that represents the Pythagorean Theorem is shown below.

Which figurrepresents

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4

5

6

7

8

9

0

1

2

3

4

5

6

7

8

9

0

1

2

3

4

5

6

7

8

9

F

G

1

20 mm20 mm

STAAR © 2014 1. Category 2/8.8C 2. Category 3/8.6C 3. Category 2/8.5I Page 1

e can be placed along the segment labeled x millimeters to complete a model thatthe Pythagorean Theorem?

20 mm

16 mm

2 mm

12 mm

8 mm

8 mm

26 mm

26 mm

H

J

16 mm

x mm


TEKSING TOWARD STAAR © 2014 1. Category 2/8.8C 2. Category 3/8.6C 3. Category 2/8.5I Page 2

3. A shaded rectangle is graphed on the coordinate grid below.

Which function describes a line that would include an edge of the shaded rectangle?

A y = 3x + 1

B y = x + 3

C y = x + 5

D y = x 3

x

y

-10 -9 -8 –7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9 10

10

9

8

7

6

5

4

3

2

1

-1

-2

-3

-4

-5

-6

-7

-8

-9

-10


TEKSING TOWARD STAAR © 2014 1. Category 1/8.2B 2. Category 2/8.5F 3. Category 3/8.6A Page 1

1. Which of the following irrational numbers would NOT lie between 7 and 8 on a number line?

A 50

B 56

C 62

D 75

2. Mrs. Gomez bought 8 pounds of ground beef for $18.00. Which does NOT represent the same priceper pound?

F 2 pounds of ground beef for $4.50

G 4 pounds of ground beef for $9.00

H 5 pounds of ground beef for $11.50.

J 10 pounds of ground beef for $22.50

3. An oatmeal container is cylindrical in shape. It is 11 inches tall with a radius of 3 inches.

What is the approximate volume of the oatmeal container?

A 33 in. 3

B 99 in. 3

C 207 in. 3

D 311 in. 3

11 inches

3 inches

Oatmeal

Documents

TEKS/STAAR - d3jc3ahdjad7x7.cloudfront.net · Category 1/8.2D 3. Category 2/8.5A Page 1 1. If a set of data points has a trend line of y x 7.8 12 , ... TEKS/STAAR SPIRALED PRACTICE